ambrosia salsola leaf - twentynine palms - 051620 c

051620 alive ambrosia angiosperms aster asteraceae beauty biodiversity biology botanical botany bush california cheesebush city concept conservation descriptive desert details earth ecology ecosystem family features foliage food fringe genus green heritage historical indigenous leaf learning leaves life lifecycle linear living mojave native natural nature needle palms peaceful people perennial plants respect salsola science serenity southern species springtime subshrub tranquility twentynine vegetation web